[Mac/GN] Set up the component build.

gin/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build_overrides/v8.gni")
 import("//testing/test.gni")
 
 component("gin") {
   sources = [
     "arguments.cc",
@@ skipping 74 matching lines @@
   deps = [
     "//base/third_party/dynamic_annotations",
     "//crypto",
   ]
   if (v8_use_external_startup_data && is_win) {
     public_deps += [ ":gin_v8_snapshot_fingerprint" ]
     sources += [ "$target_gen_dir/v8_snapshot_fingerprint.cc" ]
     defines += [ "V8_VERIFY_EXTERNAL_STARTUP_DATA" ]
   }
 
+  if (is_mac) {
+    libs = [ "CoreFoundation.framework" ]
+  }
+
   configs += [ "//v8:external_startup_data" ]
 }
 
 if (v8_use_external_startup_data) {
   action("gin_v8_snapshot_fingerprint") {
     script = "//gin/fingerprint/fingerprint_v8_snapshot.py"
 
     snapshot_file = "$root_out_dir/snapshot_blob.bin"
     natives_file = "$root_out_dir/natives_blob.bin"
     output_file = "$target_gen_dir/v8_snapshot_fingerprint.cc"
@@ skipping 95 matching lines @@
     "shell/hello_world.js",
     "test/file_unittests.js",
     "test/gtest_unittests.js",
     "../OWNERS",
   ]
 
   data_deps = [
     ":gin_shell",
   ]
 }